COLLECTION OF BRITISH BIRDS, 



PURCHASED BY 



THE CAMBRIDGE PHILOSOPHICAL SOCIETY. 



N. B. — The asterisk distinguishes those which are not British liilled specimens. 

 The figures refer to the large, and the letters to the smaller Cases. 



Hali^etus 

 Adult. 



Case I 

 Albicilla. 



While-tailed Eagle. 



Young. 

 Aquila Chrysaetos. 

 Pandion Haliaetus. 



Golden Eagle. Young. 



Osprey. 



Case II. 

 '1. Aquila Chrj'saetos. Golden Eagle. 



2. Accipiter Fringillarius. 

 Adult male. 



Adult. 

 Sparrow Harvk. 



3, 4. 



5. 



6. — 



7- — 



8. 



9- — 



10. — 



11, 12. 

 •13. — 



14. 



Adult females. 

 Faleo Tinnunculus. 



Kestril. Adult male. 



Adult female. 



jEsalon. Merlin. Adult male. 



— — Nearly adult male. 



— — Young mal. 



—— Adult male. 



■ — ^^^— — Young males. 



Adult female. 



Young male. 



3. 

 4. 



5. 



*6. 



7. 



8. 



9. 



10. 



Case III. 

 Milvus Ictinus. Kile. Adult female. 

 Astur Palumbarius. Gosharvk. Adult male. 

 Milvus Ictinus. Kile. Adult male. 

 Falco Subbuteo. Hobby. Adult female. 



■ Adult male. 



Astur Palumbarius. Goshawk. Young male. 

 Falco Islandicus. Jer-Falcon. Adult male. 

 peregrinus. Peregrine Falcon. Adult 



female. 



Adult male. 

 — Young 



male. 



Case IV. 



1. Buteo Lagopus. Rough-legged Buzzard. 



Adult male. 

 2. 



Adultfemale. 

 3. Pernis apivorus. Honey Buzzard. 



male. 



Young 



4. 



Adult male. 



5. Circus aeruginosas. Moor Harrier. 



6. Pygargus. Hen Harrier. Adult male. 



7. • Ringtail. Adultfemale. 



8. Buteo vulgaris. Common Buzzard, 

 g. Circus Pygargus. Ringtail. Young. 



Case V. 

 *Bubo maximus. Eagle Owl. 



Male. 

 Female. 



Otus vulgaris. Long-eared Owl. 



brachyotus. Short-cared Owl. 



•Scops Aldrovandi. Scops-cared Owl. 

 *Noctua nyctea. Snowy Owl. Male. 

 * ■ . Female. 



passerina. Little Owl. 



Strix flammea. White Owl. 



Syrnium Aluco. Tawny Owl, 



Case A. 

 1 & 2. Lanius Excubitor. Ash-coloured Shrike. 



3. CoUurio. Red-backed Shrike. 



Male. 

 4. 



Female. 

 *.5 & 6. ^— rufus. Woodchat. 



Case VI. 



1 . Corvus frugilegus. Rook. 



2. — — Corax. Raven. 



